republican arizona senator john mccain saying this is quote, now the worst coverup e life, end quote. seen in the senator now calling on the white house to declassify and release surveillance video from benghazi. meanwhile, democrats argue the terrorist attack on the consulate is being politicized. >> now we know that there were tapes, recordings inside the consulate during this fight and they've gotten-- they came and the fbi finally took those and now classified as quote, top secret. why would they be top secret? >> any impartial observer who looks the at what happened in benghazi would have to say this situation's been politicized. governor romney himself realizes that his actions and his reaction was unbecoming for potential commander-in-chief and he's backed off. >> those comments and that point of view. >> harris: national security correspondent jennifer griffin has been out in front of this story from the very beginning and broke the news that urgent calls for help during the the attack from americans underfire were denied, jennifer. you're in washington tonight. what requests